Home / 26,839.59-40,280.64-14,198.31

Finding the Fourth Proportional to 26,839.59, 40,280.64 and 14,198.31

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Solution

The fourth proportional to 26,839.59, 40,280.64 and 14,198.31 is: 21,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.59 : 40,280.64 = 14,198.31 : x
  2. Step 2: Convert to fraction form
    26,839.59/40,280.64 = 14,198.31/x
  3. Step 3: Cross multiply
    26,839.59x = 40,280.64 × 14,198.31
  4. Step 4: Simplify right side
    26,839.59x = 571,917,013.72
  5. Step 5: Solve for x
    x = 571,917,013.72/26,839.59
  6. Step 6: Final answer
    x = 21,308.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.